Display device portion with a graphical user interface showing an armored vehicle



The FIGURE is a front view of a display device portion with a graphical user interface showing an armored vehicle according to the new design.

The portion of a display device shown in broken lines, as well as the armored vehicle features (shown in more finely-incremented broken lines in the drawings) illustrate environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a display device portion with a graphical user interface showing an armored vehicle, as shown and described. 